- Conditions
- Gastroenteritis Escherichia Coli
- Interventions
- Ciprofloxacin, Peru-15-pCTB, Sodium bicarbonate/Ascorbic Acid/Aspartame Buffer
- Drug · Biological · Other
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
Search Results
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Showing 1–24
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Exercise and Non-exercise Effect Upon Vitamins E and C
- Interventions
- Vitamin E and Vitamin C
- Dietary Supplement
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 30 Years to 50 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Hypercholesterolemia
- Interventions
- Citrus Limonoid Beverage, Placebo beverage
- Dietary Supplement
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Cerebrovascular Disorders
- Interventions
- Antioxidant Cocktail, Placebo
- Dietary Supplement · Other
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Intestinal Barrier Function
- Interventions
- Probiotic, Placebo
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Preeclampsia
- Interventions
- Dietary Supplement/Vitamins, Placebo for Vitamin C and Vitamin E
- Drug
- Lead sponsor
- The George Washington University Biostatistics Center
- Other
- Eligibility
- Female only
- Enrollment
- 10,154 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2003 – 2009
- U.S. locations
- 16
- States / cities
- Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 13 more
- Conditions
- Fragile X Syndrome
- Interventions
- 5-Hydroxytryptophan, Ergoloid Mesylates, Matching placebo for Ergoloid mesylates, Matching placebo for 5-Hydroxytryptophan
- Drug
- Lead sponsor
- Elizabeth Berry-Kravis
- Other
- Eligibility
- 18 Years to 45 Years · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Effect of Food Supplement
- Interventions
- Placebo, Hydrolized Collagen, PrimaColl, Whey protein
- Dietary Supplement
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Abortion, Induced
- Interventions
- Mifepristone, misoprostol, Osmotic dilators, placebo
- Other · Drug · Device
- Lead sponsor
- Planned Parenthood League of Massachusetts
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 300 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 7
- States / cities
- San Francisco, California • Chicago, Illinois • Boston, Massachusetts + 3 more
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
- Interventions
- Vitamin C, Placebo
- Dietary Supplement
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 8 Years to 25 Years
- Enrollment
- 53 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Autistic Disorder
- Interventions
- B12, Placebo, folate, B complex, vitamin C, cod liver oil, Mineral complex, carnitine
- Dietary Supplement
- Lead sponsor
- Arkansas Children's Hospital Research Institute
- Other
- Eligibility
- 3 Years to 7 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2016
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas
- Conditions
- Acne
- Interventions
- Skin Nutraceutical Supplement, Placebo pill
- Dietary Supplement · Other
- Lead sponsor
- Nutraceutical Wellness Inc.
- Industry
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 102 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- High Point, North Carolina
- Conditions
- Pharmacokinetics
- Interventions
- Liposomal vitamin C, 1 gram, Liposomal vitamin C, 2 grams, Liposomal vitamin C, 5 grams, Placebo
- Dietary Supplement
- Lead sponsor
- Natural Immune Systems Inc
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Klamath Falls, Oregon
- Conditions
- COVID-19, SARS-CoV-2
- Interventions
- Ascorbic Acid, Hydroxychloroquine Sulfate, Azithromycin, Folic Acid, Lopinavir 200 MG / Ritonavir 50 MG [Kaletra]
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 289 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 6
- States / cities
- Chicago, Illinois • New Orleans, Louisiana • Boston, Massachusetts + 2 more
- Conditions
- Atrial Fibrillation Ablation
- Interventions
- Vitamin C, Placebo
- Drug · Other
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- Conditions
- Chronic Obstructive Pulmonary Disease
- Interventions
- Quercetin, Placebo - sugar chew
- Drug · Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 40 Years to 80 Years
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Pregnancy, Smoking
- Interventions
- Placebo, Vitamin C
- Other · Dietary Supplement
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 15 Years and older · Female only
- Enrollment
- 282 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Nutrient Deficiency, Happiness, Digestive Health, Vulnerability to Disease, Mood Swings, Energy
- Interventions
- Alii Supplement
- Dietary Supplement
- Lead sponsor
- Texas Christian University
- Other
- Eligibility
- 18 Years to 25 Years · Female only
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Fort Worth, Texas
- Conditions
- Arthroplasty, Replacement, Knee, Sleep Initiation and Maintenance Disorders
- Interventions
- Melatonin 5 mg, Placebo (Vitamin C)
- Dietary Supplement
- Lead sponsor
- Hospital for Special Surgery, New York
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 176 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Myelodysplastic Syndromes, Chronic Myelomonocytic Leukemia-1, Cytopenia
- Interventions
- Vitamin C (ascorbic acid), Placebo
- Dietary Supplement · Other
- Lead sponsor
- Rigshospitalet, Denmark
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 109 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Type 1 Diabetes
- Interventions
- High Dose SAB-142, Low Dose SAB-142, Placebo
- Drug · Other
- Lead sponsor
- SAb Biotherapeutics, Inc.
- Industry
- Eligibility
- 5 Years to 40 Years
- Enrollment
- 159 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 23
- States / cities
- San Francisco, California • San Jose, California • Aurora, Colorado + 20 more
- Conditions
- Finger Stiffness, Distal Radius Fracture
- Interventions
- 500 mg vitamin c, 1 pill per day for 6 weeks, 1 placebo pill for 6 weeks
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 134 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Cardiovascular Risk Factor
- Interventions
- Vitamin C, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 40 Years to 60 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Cardiovascular Disease
- Interventions
- Vitamin C, Vitamin E, Placebo
- Dietary Supplement
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 396 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Berkeley, California